Immobilization of iodine waste in B2O3–Bi2O3–ZnO based materials: maximum solid solubility

Wei, Guilin; Li, Bingsheng; Yang, Jingjun; Zhang, Zhentao; Shu, Xiaoyan; Yuan, Weifeng; Liu, Yi; Xie, Yi; Lu, Xirui

doi:10.1007/s10967-020-07428-7

Cited by 3 publications

(2 citation statements)

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“…ZnO reduces the glass transition temperature and increases the density of the glass (Kim et al, 2009). Over a series of studies, which typically involved iodine in the form of AgI, the level of amorphous material and the final density were investigated (He et al, 2022;Wang et al, 2021;Wei et al, 2020;Meng Yan et al, 2021;. The authors used density and amorphous content as a proxy for durability and found that in general:…”

Section: Boron Glass Ceramicmentioning

confidence: 99%

“…• Bi 2 O 3 : For each study where this variable was changed, 1 mol% (M. Yan et al, 2021b), 10 mol% (Wang et al, 2021), and 20 mol% (Wei et al, 2020) were found to contain the highest proportion of amorphous material out of their respective studies. The implication is that, in general, a lower fraction of Bi 2 O 3 is preferable in the formulation.…”

Section: Boron Glass Ceramicmentioning

confidence: 99%

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Review of recent developments in iodine wasteform production

et al. 2022

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Radioiodine capture and immobilization is not only important to consider during the operation of reactors (i.e., I-131), during nuclear accidents (i.e., I-131 and I-129) or nuclear fuel reprocessing (i.e., I-131 and I-129), but also during disposal of nuclear wastes (i.e., I-129). Most disposal plans for I-129-containing waste forms (including spent nuclear fuel) propose to store them in underground repositories. Here, iodine can be highly mobile and, given its radiotoxicity, needs to be carefully managed to minimize long-term environmental impacts arising from disposal. Typically, any process that has been used to capture iodine from reprocessing or in a reactor is not suitable for direct disposal, rather conversion into a wasteform for disposal is required. The objectives of these materials are to use either chemical immobilization or physical encapsulation to reduce the leaching of iodine by groundwaters. Some of the more recent ideas have been to design capture materials that better align with disposal concepts, making the industrial processing requirements easier. Research on iodine capture materials and wasteforms has been extensive. This review will act as both an update on the state of the research since the last time it was comprehensively summarized, and an evaluation of the industrial techniques required to create the proposed iodine wasteforms in terms of resulting material chemistry and applicability.

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Section: Boron Glass Ceramicmentioning

confidence: 99%